Hibernate in an area where the temperature is below freezing if they are unable to dig deeply into the soil for protection.This will either kill, cause blindness or limb paralysis.

• 龟冬眠地点温度低于冷冻温度，而土壤条件也不允许它们挖向更深的地方去冬眠作为保护，这会使龟死亡、导致失明或肢体瘫痪。